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Finding the Fourth Proportional to 330,591.68, 456,206.93 and 187,364.96

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Solution

The fourth proportional to 330,591.68, 456,206.93 and 187,364.96 is: 258,558.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,591.68 : 456,206.93 = 187,364.96 : x
  2. Step 2: Convert to fraction form
    330,591.68/456,206.93 = 187,364.96/x
  3. Step 3: Cross multiply
    330,591.68x = 456,206.93 × 187,364.96
  4. Step 4: Simplify right side
    330,591.68x = 85,477,193,191.17
  5. Step 5: Solve for x
    x = 85,477,193,191.17/330,591.68
  6. Step 6: Final answer
    x = 258,558.21

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.